CA18DET

CA18DET Water Mod (Simplifying Water Circulation)

New simplified coolant mod number 2 available here. CA18DET Coolant Mod Number 2 (From 10 Lines to 1) One thing I value on a car that will see serious track time is weight reduction and simplification. This mod focuses on…

Hockey Puck Motor Mounts

I’ve come to the conclusion that the Nismo mounts that everyone swaps into their 240’s are not only over-rated but a waste of money. One of the main reasons people swapping in the CA18DET have a hard time locating a…

Clocking the SR T25 Turbo

The turbo found on the SR20DET motor is an upgrade that virtually every CA18DET owner has run at one point or another. Where the CA18DET T25 turbo is good to about 12psi and looses boost towards redline, the SR20DET T25…

CA18DET Vacuum, Boost, Water and Oil Routing Reference

Like most Nissan motors, the CA18DET has a maze of vacuum lines that quickly become confusing to those unfamiliar with the motor. The following is a quick guide of what needs to be hooked up and where in order to…

CA18DET Swap Guide (Part 1: Removing the KA24DE/KA24E)

Part 1 of the CA18DET swap guide deals with removing the factory engine from your 240sx but before getting started I will cover a little background information regarding the CA18DET motor and engine swaps in general. But first and foremost,…

Part 5: CA18DET Engine Woes, Time to Build it Better

Some of us get lucky, we import a motor from Japan, swap it into our car and drive off into hybrid heaven. But sometimes things just don’t seem right and unmistakably, as I pile the miles on my latest CA18DET,…

Walbro 255lph Fuel Pump Install (s13 240sx)

The Walbro 255lph fuel pump is a must for any heavily modified and/or swapped 240sx. They are inexpensive, reliable and flow more than enough fuel to satisfy the thirsts of even heavily boosted motors. Note: These procedures should be performed…

Part 4: Liquid Intercooling (The Path Less Travelled)

The CA18DET motor comes from the factory running 7psi of boost and sporting a small, inefficient side-mounted intercooler that becomes relatively useless at boost pressures above 10psi. Since project CA18DET will see two iterations, one sporting a t25 at 12psi…

Compression Test

Performing a compression test on a running motor can give you a wealth of knowledge about the engine. For instance, numbers too low may indicate a bad head gasket, likewise a large variance in numbers can help you isolate problems…

Part Deux: Swapping in the CA18DET

Background For most the formula is simple, stock motors are replaced with SR20DET’s. End of discussion. But then you have the guys that do things different. There are the RB guys, the KA-T guys and finally the CA18DET guys. So…